On Fri, Aug 5, 2011 at 12:30 PM, Ben Dooks <ben-linux@fluff.org> wrote:> On Fri, Aug 05, 2011 at 10:40:17AM +0100, Russell King - ARM Linux wrote:>> Trying to go from IRQ to GPIO is not a good idea - most of the>> IRQ <-> GPIO macros we have today are just plain broken. Many of them>> just add or subtract a constant, which means non-GPIO IRQs have an>> apparant GPIO number too. Couple this with the fact that all positive>> GPIO numbers are valid, and this is a recipe for wrong GPIOs getting>> used and GPIOs being requested for non-GPIO IRQs.>> Yes, and there's a pile without these defined/

And I'm piling a few patches *deleting* irq_to_gpio() from platforms thatdefine but actually don't use it, like U300 and SA1100.